fascinator

noun3

1. •
   A delicate, often frivolous head decoration worn on the hair, primarily by women.

   • Westminster Abbey was peppered with everything from neat pillbox hats to netted fascinators. — 2023
2. •
   (US, old-fashioned) A type of wool or lace headscarf.
3. •
   A fascinating person or thing.

   • A more repellent personality would be hard to imagine, and yet Hedda Gabler is one of the eternal fascinators of the world stage. — 2009